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Varvara68 [4.7K]
3 years ago
9

Calculate the answer. Express it in scientific notation. All answers should have the correct number of significant figures.

Chemistry
2 answers:
artcher [175]3 years ago
7 0
To express the answer of (6.93 x 10¹) (2.0 x 10-4) in scientific notation, it should be 1.4 x 10^-2. <span>To </span>multiply<span> two numbers expressed in </span>scientific notation<span>, simply </span>multiply<span> the numbers out front and add the exponents. I hope it helps. </span>
Ugo [173]3 years ago
4 0

Answer:

1.4 x 10^-2.

Explanation:

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When you rub an inflated balloonon your head on a dry day,it can make your hair stand up! what force is that?
Ket [755]

When you rub an inflated balloon on your head and it makes your hair stand up, the force that makes the hair stand up is known as static electricity.

When the balloon is rubbed on the head, electrons from the hair atoms move into the balloon, thus making the balloon to be negatively charged and the hair positively charged due to loss of electrons.

Unlike charges attracts. Thus, when you try to pull the balloon away slowly, the positively charged hair and the negatively charged balloon will attract each other and this is usually what makes the hair stand up.

More on static electricity can be found here: brainly.com/question/24160155

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2 years ago
Calculate the volume needed of a stock (undiluted) solution that has a concentration of 4.2 M and is then diluted to 0.034 L of
Mnenie [13.5K]

M1V1 = M2V2

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2 years ago
What type of chemical reaction is AgNO3(aq)+KCL(aq) AgCL(s)+KNO3(aq)​
emmasim [6.3K]

Answer:

double replacement reaction or double displacement reaction,

Explanation:

double replacement reaction, double displacement reaction, is a chemical process involving the exchange of bonds between two non-reacting chemical species which results in the creation of products with similar or identical bonding affiliations

Classically, these reactions result in the precipitation of one product.

in thía case it is AgCl

3 0
3 years ago
If an old car burns 0.05 mL oil every mile, How much oil will it burn if driven 100,000 miles? Show your answer in mL and L?.
Irina18 [472]

0.05 * 100000

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Fluorine (F) and bromine (Br) are in the same group on the periodic table. How do atoms of these elements compare when they form
stiks02 [169]

Answer:

they both gain one electron

Explanation:

they are both halogens and they each have one unpaired electron so that unpaired electron join together to make them form a bond

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